Overhauling turnover device for GCB operating mechanism

Abstract

A GCB operating mechanism overhaul turnover device comprises a machine base, a motor speed reducer and a supporting frame, the motor speed reducer is installed on the machine base, the supporting frame is installed on an output shaft of the motor speed reducer, the supporting frame is of a U-shaped structure, and the two ends of one side of the supporting frame are provided with a first installation hole and a second installation hole respectively. A connecting hole is formed in one end of the supporting frame, and an output shaft of the motor speed reducer is installed in the connecting hole. The machine base is used for installing and supporting the motor speed reducer, the motor speed reducer is used for driving the supporting frame to rotate, and in the using process, an operating mechanism to be overhauled is installed on the supporting frame through the first installing hole and the second installing hole and driven by the motor speed reducer to turn over.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance tools for operating mechanisms of power stations, in particular to a GCB operating mechanism maintenance turning device. Background Art

[0002] GCB is a generator circuit breaker used in power stations. The operating mechanism controls the on and off of the generator circuit breaker. The operating mechanism currently used is a hydraulic disc spring operating mechanism. After a period of use, the internal structure of the operating mechanism needs to be maintained. For example, the sealing ring of the hydraulic system needs to be replaced. When replacing the sealing ring, the operating mechanism needs to be flipped so that one end of the disc spring faces upward, which is convenient for taking out the disc springs one by one. When reinstalling, the end of the disc spring needs to face downward. In order to facilitate the disassembly and assembly of the operating mechanism, a flip device for operating mechanism maintenance is designed. Utility Model Content

[0003] The technical problem to be solved by the utility model is: to solve the problems existing in the above-mentioned background technology, and to provide a GCB operating mechanism maintenance and flipping device, in which a support frame is driven to rotate by a motor reducer, and the operating mechanism is installed on the support frame, so that the operating mechanism can be conveniently flipped.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is: a GCB operating mechanism maintenance and turning device, including a machine base, a motor reducer and a support frame, the motor reducer is installed on the machine base, the support frame is installed on the output shaft of the motor reducer, the support frame is a U-shaped structure, and a first mounting hole and a second mounting hole are respectively provided at both ends of one side of the support frame, and a connecting hole is provided at one end of the support frame, and the output shaft of the motor reducer is installed in the connecting hole.

[0005] The machine base includes support columns, a base plate and a mounting plate. The base plate is provided with connection holes. The base plate is used for fixing to the ground. Four support columns are installed on the upper side of the base plate. The mounting plate is installed on the four support columns. The motor reducer is installed on the mounting plate.

[0006] The support frame comprises a bottom frame and a top plate, a connecting seat is installed at one end of the bottom frame, the connecting seat is provided with the connecting hole, and the top plate is fixedly installed on the bottom frame.

[0007] It also includes a first expansion plate and a second expansion plate, and a third mounting hole and a fourth mounting hole are provided on the first expansion plate, and the third mounting hole is adapted to the first mounting hole, and bolts are inserted into the third mounting hole and the first mounting hole to mount the first expansion plate on the support frame, and the fourth mounting hole is located on the inner side of the support frame, and the fourth mounting hole is used to connect with the operating mechanism to be repaired, and a fifth mounting hole and a sixth mounting hole are provided on the second expansion plate, and the fifth mounting hole and the second mounting hole are adapted to each other, and bolts are inserted into the fifth mounting hole and the second mounting hole to mount the second expansion plate on the support frame, and the sixth mounting hole is located on the inner side of the support frame, and the sixth mounting hole is used to connect with the operating mechanism to be repaired.

[0008] The third mounting hole, the fourth mounting hole, the fifth mounting hole and the sixth mounting hole are long holes.

[0009] The utility model has the following beneficial effects:

[0010] 1. The machine base of the utility model is used to install and support the motor reducer, and the motor reducer is used to drive the support frame to rotate. When in use, the operating mechanism to be repaired is installed on the support frame through the first mounting hole and the second mounting hole, and the operating mechanism is driven to flip under the drive of the motor reducer.

[0011] 2. The utility model also includes a first expansion plate and a second expansion plate, so as to be adaptable to operating mechanisms of different models. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.

[0014] Figure 2 It is a three-dimensional structural schematic diagram of the utility model from another viewing angle.

[0015] Figure 3 It is a three-dimensional structural schematic diagram of the first expansion board and the second expansion board installed on the support frame of the utility model.

[0016] In the figure, a machine base 10, a support column 11, a bottom plate 12, a mounting plate 13, a motor reducer 20, a support frame 30, a first mounting hole 31, a second mounting hole 32, a bottom frame 33, a connecting seat 34, a top plate 35, a first extension plate 40, a third mounting hole 41, a fourth mounting hole 42, a second extension plate 50, a fifth mounting hole 51, and a sixth mounting hole 52. DETAILED DESCRIPTION

[0017] See also Figure 1-3A GCB operating mechanism maintenance and flipping device includes a machine base 10, a motor reducer 20 and a support frame 30. The motor reducer 20 is mounted on the machine base 10, and the support frame 30 is mounted on the output shaft of the motor reducer 20. The support frame 30 is a U-shaped structure. The first mounting hole 31 and the second mounting hole 32 are respectively provided at both ends of one side of the support frame 30. A connecting hole is provided at one end of the support frame 30, and the output shaft of the motor reducer 20 is installed in the connecting hole. The machine base 10 is used to install and support the motor reducer 20, and the motor reducer 20 is used to drive the support frame 30 to rotate. When in use, the operating mechanism to be repaired is installed on the support frame 30 through the first mounting hole 31 and the second mounting hole 32, and the motor reducer 20 drives the operating mechanism to flip.

[0018] See also Figure 1 The base 10 includes a support column 11, a bottom plate 12 and a mounting plate 13. The bottom plate 12 is provided with connection holes. The bottom plate 12 is used to be fixedly mounted to the ground. Four support columns 11 are mounted on the upper side of the bottom plate 12. The mounting plate 13 is mounted on the four support columns 11. The motor reducer 20 is mounted on the mounting plate 13. The four support columns 11 hold the mounting plate 13, thereby providing space for the operating mechanism to flip. Specifically, the bottom plate 12 is provided with four holes for connection with anchor bolts, and the mounting plate 13 is also provided with four holes for bolting and connecting with the motor reducer 20.

[0019] For details, see Figure 1 The support frame 30 includes a bottom frame 33 and a top plate 35. A connection seat 34 is installed at one end of the bottom frame 33. The connection hole is provided on the connection seat 34. The top plate 35 is fixedly installed on the bottom frame 33, which is convenient for the manufacture of the support frame 30. Specifically, the bottom frame 33 is welded by a rectangular tube, and the top plate 35 is welded on the bottom frame 33. Compared with a whole steel structure, it is more convenient to manufacture and lighter in weight. The connection seat 34 is a block structure, which is convenient for opening a connection hole to connect with the output shaft key of the motor reducer 20.

[0020] For further information, see Figure 3The utility model further includes a first expansion plate 40 and a second expansion plate 50. The first expansion plate 40 is provided with a third mounting hole 41 and a fourth mounting hole 42. The third mounting hole 41 matches the first mounting hole 31. Bolts penetrate the third mounting hole 41 and the first mounting hole 31 to mount the first expansion plate 40 on the support frame 30. The fourth mounting hole 42 is located inside the support frame 30. The fourth mounting hole 42 is used to connect with the operating mechanism to be repaired. The second expansion plate 50 is provided with a fifth mounting hole 51 and a sixth mounting hole 52. The fifth mounting hole 51 matches the second mounting hole 32. Bolts penetrate the fifth mounting hole 51 and the second mounting hole 32 to mount the second expansion plate 50 on the support frame 30. The sixth mounting hole 52 is located inside the support frame 30. The sixth mounting hole 52 is used to connect with the operating mechanism to be repaired. Through the above structure, different types of operating mechanisms can be adapted. During design, the support frame 30 is designed according to the largest operating mechanism. When a small operating mechanism is installed, the installation position is expanded by the first expansion plate 40 and the second expansion plate 50.

[0021] For further information, see Figure 3 The third mounting hole 41 , the fourth mounting hole 42 , the fifth mounting hole 51 and the sixth mounting hole 52 are long holes, which facilitates adjusting the mounting positions of the first expansion board 40 and the second expansion board 50 .

[0022] The working principle or action process of the utility model is as follows:

[0023] During use, when inspecting the largest type of operating mechanism, the operating mechanism is directly mounted on the support frame 30 by bolts, and when turning over, the motor reducer 20 is started, thereby driving the operating mechanism to turn over.

[0024] When a small operating mechanism is installed, the installation position is expanded by installing the first expansion plate 40 and the second expansion plate 50 on the support frame 30, and the operating mechanism is installed on the first expansion plate 40 and the second expansion plate 50 by bolts.

Claims

1. GCB operating mechanism maintenance and turning device, characterized by: The invention comprises a machine base (10), a motor reducer (20) and a support frame (30), wherein the motor reducer (20) is mounted on the machine base (10), and the support frame (30) is mounted on the output shaft of the motor reducer (20). The support frame (30) is in a U-shaped structure, and a first mounting hole (31) and a second mounting hole (32) are respectively arranged at two ends of one side of the support frame (30), and a connecting hole is arranged at one end of the support frame (30), and the output shaft of the motor reducer (20) is installed in the connecting hole.

2. The GCB operating mechanism maintenance and turning device according to claim 1 is characterized in that: The machine base (10) comprises a support column (11), a base plate (12) and a mounting plate (13); the base plate (12) is provided with a connection hole; the base plate (12) is used for being fixedly mounted on the ground; four support columns (11) are mounted on the upper side of the base plate (12); the mounting plate (13) is mounted on the four support columns (11); and the motor reducer (20) is mounted on the mounting plate (13).

3. The GCB operating mechanism maintenance and turning device according to claim 1 is characterized in that: The support frame (30) comprises a bottom frame (33) and a top plate (35); a connecting seat (34) is mounted on one end of the bottom frame (33); the connecting seat (34) is provided with the connecting hole; and the top plate (35) is fixedly mounted on the bottom frame (33).

4. The GCB operating mechanism maintenance and turning device according to any one of claims 1 to 3, characterized in that: The invention also comprises a first expansion plate (40) and a second expansion plate (50), wherein the first expansion plate (40) is provided with a third mounting hole (41) and a fourth mounting hole (42), the third mounting hole (41) being matched with the first mounting hole (31), a bolt is passed through the third mounting hole (41) and the first mounting hole (31), and the first expansion plate (40) is mounted on the support frame (30), the fourth mounting hole (42) is located inside the support frame (30), and the fourth mounting hole (42) is used to connect with the operating mechanism to be repaired, and the second expansion plate (50) is provided with a fifth mounting hole (51) and a sixth mounting hole (52), the fifth mounting hole (51) being matched with the second mounting hole (32), a bolt is passed through the fifth mounting hole (51) and the second mounting hole (32), and the second expansion plate (50) is mounted on the support frame (30), the sixth mounting hole (52) is located inside the support frame (30), and the sixth mounting hole (52) is used to connect with the operating mechanism to be repaired.

5. The GCB operating mechanism maintenance and turning device according to claim 4 is characterized in that: The third mounting hole (41), the fourth mounting hole (42), the fifth mounting hole (51) and the sixth mounting hole (52) are long holes.

Images